SN4 ""

No	Pattern	Freq
1	[verb] to be [adv] [prep]	572
2	[vb pp] to be [adv] [prep]	133
3	[vb past] to be [adv] [prep]	122
4	[adj] to be [adv] [prep]	102
5	[vb base] to be [adv] [prep]	97
6	[noun] to be [adv] [prep]	91
7	[adj] to be [adv] [prep]	90
8	[vb infin] to be [adv] [prep]	77
9	have to be [adv] [prep]	76
10	[v-ing] to be [adv] [prep]	74
11	seem to be [adv] [prep]	74
12	[vb -s] to be [adv] [prep]	63
13	[noun sg] to be [adv] [prep]	63
14	go to be [adv] [prep]	60
15	going to be [adv] [prep]	59
16	[pron] to be [adv] [prep]	45
17	[adv] to be [adv] [prep]	38
18	[pers pn] to be [adv] [prep]	37
19	appear to be [adv] [prep]	34
20	be to be [adv] [prep]	30
21	[be] to be [adv] [prep]	30
22	seemed to be [adv] [prep]	30
23	want to be [adv] [prep]	30
24	likely to be [adv] [prep]	26
25	likely to be [adv] [prep]	26
26	tend to be [adv] [prep]	25
27	need to be [adv] [prep]	21
28	have to be [adv] [prep]	20
29	expect to be [adv] [prep]	20
30	had to be [adv] [prep]	20